Biggest Loser: Couples (8:00 p.m. EST, NBC)

During tonight’s two hour episode, the contestants are split up into two teams by the winner of the temptation challenge. As you can guess, this player’s choices are not completely appreciated by the rest of the contestants. It looks like it might get nasty! Meanwhile, Dr. Huizenga checks out the players’ progress after spending seven full weeks on the ranch. Will the good old doc be impressed or disappointed? Finally, a rooftop challenge awards the winner with a prize from home.

Postpartum Nightmares (8:00 p.m. EST, DHLTH)

Discovery Health always has the most interesting programs. This show discusses various postpartum depression stories where mothers harbored disturbing fantasies of hurting their babies.

I’m not a mom, and shows like this one terrify me. Maybe I should go talk to the doctor about getting my tubes tied…

Parenthood (10:00 p.m. EST, NBC)

Speaking of having babies… This new show premieres tonight with the series’ pilot. Single mom Sarah (the gorgeous Lauren Graham) takes her kids and moves back in with her parents. Raising kids isn’t easy, and Sarah proves this point to us. Meanwhile, her three siblings deal with their own issues including relationship, career and medical problems.